Why a business that makes money solo gets harder once you hire
When you run it by yourself, the month ends with something left over. You hire help, the order book grows, and what lands in your own pocket shrinks instead. The fix is to run the two versions of the business side by side, each with its own cost sheet, and see where the extra orders actually go.
The same price spread now has to fund more
In 2024 a seller on Xianyu looked back on his years in small appliances. He said he had started selling small appliances in 2020, later expanded into a team, and closed that business in 2021. Late in that run he was buying robot vacuums at 2,300 yuan and selling them for 2,480. The whole spread between purchase and sale was 180 yuan, about 7.26 percent of the selling price. In his account, that margin and the cash tied up in the business could not support the team.
That judgment hides two different ledgers. Running solo, he does some of the work himself, so less of each order becomes a cash payment out of his pocket. Running a team, the same 180 has to cover salaries, handovers, after-sales calls and the overhead of operating together. The product price doesn't change; what the spread has to fund does.
Work through a single order to see it. Sale price, minus what you paid, minus the costs that attach to every unit (shipping, after-sales, transaction fees, whatever it costs to land that order) leaves a contribution. That contribution pays for the fixed costs of the operation. Then account for the owner’s pay, taxes and funding needs.
Double the orders, shrink the leftover
For a separate illustrative calculation, assume a selling price of 2,480 yuan, a purchase cost of 2,300 yuan and other per-order costs totaling 100 yuan. Each order contributes 80 yuan. All monetary amounts below are in yuan.
| Arrangement | Orders per month | Fixed costs per month | Leftover after listed expenses |
|---|---|---|---|
| Solo | 100 | 1,000 | 100 × 80 − 1,000 = 7,000 |
| Team | 200 | 12,000 | 200 × 80 − 12,000 = 4,000 |
In that table the team's fixed costs already include wages and shared overhead, and neither figure touches the owner's own pay or taxes. Look at what doubled and what didn't: contribution rose by 8,000 a month, fixed costs rose by 11,000, and the owner walks away with 3,000 less.
A team breaks even at 12,000 ÷ 80, which is 150 orders a month. Wanting 20,000 left over each month needs (12,000 + 20,000) ÷ 80, which is 400. That target leaves 20,000 yuan before owner compensation and taxes. The next question is whether you can win and fulfill 400 orders.
Those extra orders still have to pass three checks
Demand first. Where did the original hundred a month come from? Pushing the number toward four hundred requires new buyers, and new buyers usually cost something to find. If the added orders cost more to acquire than the old ones, the 80-per-order figure moves along with them.
Capacity second. Suppose the team, at the quality it promises, tops out at 240 orders a month. With a full book, the leftover is 240 × 80 − 12,000, that's 7,200. To get more than that, something has to change, contribution per order, delivery speed, or the shape of the operation, and the cost of whatever changes has to be priced again.
Cash timing third, and it bites differently. In another illustrative scenario, suppose the business takes five orders a day and pays 2,300 out the day each one is booked, with the customer's payment landing 14 days later with orders arriving steadily. Even before counting payroll or rent, the purchase money alone sits tied up at about 5 × 2,300 × 14, which is 161,000 yuan tied up in purchases. Every order added to that pace raises the float you need to hold.
The three calculations answer three different questions: contribution per order helps calculate operating surplus, 240 per month tells you whether you can deliver it, the 14-day cycle tells you whether you can finance it. Only when all three line up does scaling make sense.
Before you hire, find the step that's actually broken
Different bottlenecks get different fixes. If the order book is full and delivery is maxed out, hand one mature workflow to a collaborator, then measure the real cost, the rework, and the hours you actually give back. If nobody is asking for the product, more delivery staff solves nothing until acquisition gets its own plan. If after-sales is eating the margin, the product, its listing and the handover process all need looking at before any hiring at all.
Hiring can also free the owner to do more valuable work. When comparing options, put the monthly surplus and the owner's working hours in the same table. Judge the value of saved time by how it will actually be used. This makes the purpose of expansion concrete.
The reasoning behind these numbers lives in Contribution per order and customer acquisition costs for contribution and acquisition cost; Service capacity and effective hourly earnings for delivery capacity and your effective hourly rate; and Cash conversion and funding growth for the float growth needs. On judging what a pilot proved, and where it stops applying, see Interpreting experiments and their limits.